More "blurring of the lines" between product design and interaction design. Specifically related to Web 2.0.
On a related note, I facilitated a lunch round-table at last year's IIT Design Strategy conference in which we discussed this topic: Are Interaction Design and Industrial Design not-so-distant relatives?
From Don Norman's JND blog:
“Web 2.0 is coming. Rich Internet applications (RIA) are here. Hurrah! The internet has caught up with the desktop, at long last. As a result, they provide some natural experiments in emotionally-attractive websites, allowing us to contrast the more traditional, static html page website with these more interactive, dynamic ones, where there are natural controls for information content, utility, and usability. So let’s see what we can learn from them. In this exploration, I concentrate on map websites because they provide the ingredients for appropriate comparisons.
We know how to make products that are easy to use and understand. But what about emotions? What about designs that delight? What do we know about how to produce an emotional impact?